The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-01-630-9980, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-630-9980 |
| Primary Part Number | MU2601-3-12-2 |
| Item Name | Nut Assembly,self-Locking,gang C |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS-QQ-P-35,TY II OR VIII ASSN STD SINGLE TREATMENT RESPONSE NUT |
| Surface Treatment Document and Classification | NAS 1795 NATIONAL SPEC SINGLE TREATMENT RESPONSE CLIP |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Nut Quantity | 2 |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| Material Document and Classification | A286 IAW AMS 5525,AMS 5732 OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | APC-2,PEEK/CARBON FIBER AND AS4 60% GRAPHITE FIBER MFR REF SINGLE MATERIAL RESPONSE CHANNEL |
| Material Document and Classification | NAS 1795 NATIONAL SPEC SINGLE MATERIAL RESPONSE CLIP |
| Channel Height | 0.250 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Assembly Overall Height | 0.250 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE NUT |
| Surface Treatment | PASSIVATE CLIP |
| Nut Style | GANG CHANNEL, SELF LOCKING |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING NUT |
| Material | STEEL COMP 302 CLIP |
| Material | FIBER CHANNEL |
| Nut Spacing | 1.500 INCHES NOMINAL IN |
| Channel Style | STRAIGHT TYPE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MU2601-3-12-2 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| BACN10ZU3-12-2 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-630-9980 is a Nut Assembly,self-Locking,gang C, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-630-9980 has 1 manufacturer part number on file: MU2601-3-12-2 (Howmet Global Fastening Systems Inc).
Key specifications for MU2601-3-12-2: Surface Treatment Document and Classification: AMS-QQ-P-35,TY II OR VIII ASSN STD SINGLE TREATMENT RESPONSE NUT; Surface Treatment Document and Classification: NAS 1795 NATIONAL SPEC SINGLE TREATMENT RESPONSE CLIP; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Nut Quantity: 2. 23 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.